Hiroki Tsukahara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Data processing apparatus, method, system, and storage medium
- Patent number 6,803,909
- Issue date Oct 12, 2004
- Sony Corporation
- Hiroki Tsukahara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information processing apparatus/method and presentation medium
- Patent number 6,626,954
- Issue date Sep 30, 2003
- Sony Corporation
- Teruhisa Kamachi
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Data processing apparatus, method, system, and storage medium
- Publication number 20010024230
- Publication date Sep 27, 2001
- Hiroki Tsukahara
- G06 - COMPUTING CALCULATING COUNTING